Complete the paragraph to compare Uranus and Neptune. Uranus and Neptune are called “ice giants” because they experience very low temperatures. This is due to the fact that these two planets are very far from the . Their atmospheres both contain , which makes them appear blue in color. is believed to have an active and changing atmosphere. Uranus and Neptune have rings and many moons and are part of a group called the planet

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?

Phosphoric acid is a triprotic acid ( =6.9×10−3 , =6.2×10−8 , and =4.8×10−13 ). to find the ph of a buffer composed of h2po−4(aq) and hpo2−4(aq) , which p value should be used in the henderson–hasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.